Vermont Casting NVC36 Attic Installation, Ceiling Installation, Venting Runs, NVC Series B-Vent

Attic Installation

Firestop position when area above ceiling is an attic.

Nails (4)

Firestop

Spacer

Joist

Ceiling Installation

Firestop position when area above ceiling is NOT an attic.

(Firestop/draftstop appearances may vary. Only 1 firestop required per frame.)

FP384

Fig. 9 Firestop/draftstop positions.

							NVC Series B-Vent
Venting Runs
	Horizontal Run (in feet)									pipe.)
3	4	5	6	7	8	9	10	11	12
40										vent
38		A							feet)(inRun	oftocenterhorizontal
26
36
34		B
32
30
28									Vertical	unitoffloor
24
22
20
18										from
16
										(Measured
= Acceptable venting configuration
14
12

= Unacceptable venting configuration

A: Vertical installations up to 40 feet (12m) in height. Up to a 8 ft. horizontal vent run can be installed within the vent system using a maximum of two 90-degree elbows or four 45-degree elbows.

B: Vertical installations up to 40 feet (12m) in height. Up to a 12 ft. horizontal vent run can be

installed within the vent system using a
maximum of two 45-degree elbows.	FP567a

Table 1 Venting configurations.

20000194 9